.hot_so{
    height: 410px;
    margin: 6% 7% 2% 2%;
    width: 28%;
    float: right;
    background-color: rgba(238, 238, 238, 0.7);
    border-radius: 1%;
    position: relative;
}
.hot_so_title{
    margin-top: 20px;
    border-bottom: #bfbfbf 1px solid;
    padding: 0 13%;
}
.hot_so_item{
    list-style:disc;
    padding:1% 13% ;
}